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American football against the background of space

Planets in intergalactic space

Nebula planet atmosphere stars surface space

Nebula Planet atmosphere stars surface space

Art is the eternal engine of life

Funny elegant jellyfish in the sea

The spaceship in the photo

London. olympic games opening ceremony

London. Olympic Games Opening Ceremony

The explosion of the planet. stars. galaxy

The explosion of the planet. Stars. Galaxy

Earth is our great home

Night horizon and starry sky

Anime: girls on the background of the moon

New year's souvenir- a ball with snowmen inside

New Year's souvenir- a ball with snowmen inside

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Система знаний о закономерностях в развитии природы, общества и мышления, а также отдельная отрасль таких знаний. То, что поучает, даёт опыт, урок (в 4 знач.; разг. ).